Make it True

81 x 9 = 801. What must you do to make the this equation true?




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It's a test that will check your IQ.

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Can you measure exactly fifteen minutes using them ?

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Replace the (?) with the correct mathematical signs to make the expression equal to 59.

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Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

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These types of puzzles are known as charades. What you have to do is find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be office.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

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There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

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Can you make a six-letter word using the letters N, A and B ?

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We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
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What are we?

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Which is Odd One Out and why?

4377

3954

9862

8454

9831

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Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.